ATE3517T1 - Rueckstroemsperre fuer schneckenspritzgiessmaschinen. - Google Patents

Rueckstroemsperre fuer schneckenspritzgiessmaschinen.

Info

Publication number
ATE3517T1
ATE3517T1 AT81102937T AT81102937T ATE3517T1 AT E3517 T1 ATE3517 T1 AT E3517T1 AT 81102937 T AT81102937 T AT 81102937T AT 81102937 T AT81102937 T AT 81102937T AT E3517 T1 ATE3517 T1 AT E3517T1
Authority
AT
Austria
Prior art keywords
screw head
screw
gap
injection molding
backflow
Prior art date
Application number
AT81102937T
Other languages
English (en)
Inventor
Karl Schirmer
Georg Stuis
Original Assignee
Mannesmann Demag Kunststofftechnik Zweigniederlassung Der Mannesmann Demag Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mannesmann Demag Kunststofftechnik Zweigniederlassung Der Mannesmann Demag Aktiengesellschaft filed Critical Mannesmann Demag Kunststofftechnik Zweigniederlassung Der Mannesmann Demag Aktiengesellschaft
Application granted granted Critical
Publication of ATE3517T1 publication Critical patent/ATE3517T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
    • B29C45/50—Axially movable screw
    • B29C45/52—Non-return devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
AT81102937T 1980-05-24 1981-04-16 Rueckstroemsperre fuer schneckenspritzgiessmaschinen. ATE3517T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3019974A DE3019974C2 (de) 1980-05-24 1980-05-24 Rückströmsperre für Schnecken-Spritzgießmaschinen
EP81102937A EP0040695B1 (de) 1980-05-24 1981-04-16 Rückströmsperre für Schnecken-Spritzgiessmaschinen

Publications (1)

Publication Number Publication Date
ATE3517T1 true ATE3517T1 (de) 1983-06-15

Family

ID=6103265

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81102937T ATE3517T1 (de) 1980-05-24 1981-04-16 Rueckstroemsperre fuer schneckenspritzgiessmaschinen.

Country Status (3)

Country Link
EP (1) EP0040695B1 (de)
AT (1) ATE3517T1 (de)
DE (1) DE3019974C2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3814673C2 (de) * 1988-04-30 1994-05-05 Krauss Maffei Ag Rückstromsperre für Spritzgießmaschinen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH355608A (fr) * 1958-07-14 1961-07-15 R H Windsor Limited Machine à mouler une matière thermoplastique par injection
DE1921058A1 (de) * 1969-04-25 1970-11-05 R H Windsor Ltd Frankfurt M Gm Rueckstromsperre fuer Schnecken-Spritzgussmaschinen

Also Published As

Publication number Publication date
DE3019974A1 (de) 1981-12-03
EP0040695B1 (de) 1983-05-25
DE3019974C2 (de) 1985-10-03
EP0040695A1 (de) 1981-12-02

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee